[Scribus] Scribus cmdline import/export (patch)

[Bryce Harrington]

Hi Peter and Craig,

A while back we discussed an idea of packaging the scribus pdf/ps
import/export code for use with Inkscape, since Inkscape's pdf/ps
(esp. EPS import) support is so poor.

However it occurs to me that another solution would be to simply give
scribus some commandline options for doing import/export.  E.g.

    scribus -i filename.eps -e filename.svg

Inkscape would then be able to make use of scribus' import/export
capabilities via its extension mechanism.  Since for all practical
intents and purposes, people would need to use scribus for getting
eps/pdf converted to svg for use in inkscape already anyway, I don't
think this imposes much additional dependency hassle for them.

I looked into the scribus code a bit to see how this could be
implemented.  I wasn't sure how to call the import/export plugins, but I
sketched out the code for handling the -i/-e commandline options as a
start...  See the attached patch.  I put TODO's where the code to invoke
the import/export plugins would go.

I think that if it supported command line options for your input/output
operators, scribus would become more widely useful, especially for
commercial users (look at http://www.pdftron.com/store.html).

Bryce

--- main.cpp.orig	2005-09-24 22:48:40.000000000 -0700
+++ main.cpp	2005-09-24 22:17:48.000000000 -0700
@@ -52,6 +52,8 @@
 #define ARG_NOSPLASH "--no-splash"
 #define ARG_NOGUI "--no-gui"
 #define ARG_DISPLAY "--display"
+#define ARG_IMPORT "--import"
+#define ARG_EXPORT "--export"
 
 #define ARG_VERSION_SHORT "-v"
 #define ARG_HELP_SHORT "-h"
@@ -60,12 +62,16 @@
 #define ARG_NOSPLASH_SHORT "-s"
 #define ARG_NOGUI_SHORT "-g"
 #define ARG_DISPLAY_SHORT "-d"
+#define ARG_IMPORT_SHORT "-i"
+#define ARG_EXPORT_SHORT "-e"
 
 
 QString lang = "";
 bool showSplash = true;
 bool useGui = true;
 QString file;
+QString import_filename = "";
+QString export_filename = "";
 
 void showUsage();
 void showAvailLangs();
@@ -102,6 +108,20 @@
 			lang = argv[i];
 		} else if (arg == ARG_NOSPLASH || arg == ARG_NOSPLASH_SHORT) {
 			showSplash = false;
+		} else if ((arg == ARG_IMPORT || arg == ARG_IMPORT_SHORT) && (++i < argc)) {
+			import_filename = QFile::decodeName(argv[i]);
+			if (!QFileInfo(import_filename).exists()) {
+				std::cout << std::endl;
+				if (import_filename.left(1) == "-" || import_filename.left(2) == "--") {
+					std::cout << "Invalid argument: " << import_filename << std::endl;
+				} else {
+					std::cout << "File " << import_filename << "does not exist, aborting." << std::endl;
+				}
+				showUsage();
+				return 0;
+			}
+		} else if ((arg == ARG_EXPORT || arg == ARG_EXPORT_SHORT) && (++i < argc)) {
+			export_filename = QFile::decodeName(argv[i]);
 		} else if (arg == ARG_NOGUI || arg == ARG_NOGUI_SHORT) {
 			useGui = false;
 		} else if ((arg == ARG_DISPLAY || arg==ARG_DISPLAY_SHORT) && ++i < argc) {
@@ -123,7 +143,8 @@
 	}
 
 	if (useGui)
-		return mainGui(argc, argv);
+            return mainGui(argc, argv);
+
 }
 
 /*!
@@ -145,6 +166,8 @@
 	std::cout << "-la, --langs-available  Lists the currently installed interface languages" << std::endl;
 	std::cout << "-h,  --help             Print help (this message) and exit" << std::endl;
 	std::cout << "-v,  --version          Output version information and exit" << std::endl;
+	std::cout << "-i,  --import <file>    Import given filename" << std::endl;
+	std::cout << "-e,  --export <file>    Export given filename" << std::endl;
 /*
 	std::cout << "-file|-- name Open file 'name'" << std::endl;
 	std::cout << "name          Open file 'name', the file name must not begin with '-'" << std::endl;
@@ -214,10 +237,24 @@
 
 	scribus->show();
 	scribus->ShowSubs();
-	if (file != "")
-		scribus->LadeDoc(file);
+	if (file != "") {
+            scribus->LadeDoc(file);
+        } else if (import_filename != "") {
+            // TODO:  Import the file...
+        }
 	scribus->setFocus();
-	return app.exec();
+
+        if (export_filename != "") {
+            QFile f(export_filename);
+            if (f.exists()) {
+                std::cout << "Cannot overwrite existing file " << export_filename << std::endl;
+                return -1;
+            }
+            // TODO:  Export the file...
+            return 0;
+        } else {
+            return app.exec();
+        }
 }
 
 /*!